April 2018 in “Journal of Investigative Dermatology” Nonmelanoma skin cancers have higher levels of certain osteopontin variants than normal skin.
49 citations
,
August 2003 in “Journal of The American Academy of Dermatology” Higher IGF-1 levels in hair follicles link to better finasteride results for hair loss.
35 citations
,
May 2006 in “Journal of Investigative Dermatology” Monilethrix involves multiple genes affecting hair structure, including DSG4 mutations.
18 citations
,
July 2014 in “Molecular Medicine Reports” UVB radiation changes the levels of certain microRNAs in skin cells, which may affect cell survival and hair growth.
August 2015 in “Free Radical Biology and Medicine” The study suggests that higher levels of SIRT1 and SIRT2 may improve overall cell health and aging processes.
28 citations
,
January 2008 in “Journal of medical investigation” Sp6 promotes tooth development by reducing follistatin levels.
8 citations
,
October 2014 in “Journal of analytical toxicology.” Chemical hair straightening significantly reduces detectable drug levels in hair.
7 citations
,
February 2021 in “Legal Medicine” Hair analysis showed very high metformin levels in two fatal overdose cases, suggesting it's useful in forensics but sweat may affect results.
5 citations
,
May 2023 in “Frontiers in immunology” Environmental factors like diet and vitamin levels, especially Vitamin D, can affect autoimmune diseases differently, with lifestyle changes potentially improving outcomes.
48 citations
,
January 2000 in “Hormone Research in Paediatrics” Cytokines and neuropeptides are key in controlling androgen levels, affecting skin and hair conditions.
21 citations
,
January 2002 in “Journal of Cutaneous Medicine and Surgery” Finasteride affects hair growth by changing caspase and XIAP levels, potentially treating hair diseases.
1 citations
,
October 2023 in “PloS one” Cosmetic hair treatments can increase hair testosterone levels, while natural hair color does not affect it.
63 citations
,
August 1996 in “Forensic Science International” Cosmetic treatments like bleaching and perming can greatly reduce opiate levels in hair, possibly leading to false-negative drug tests.
20 citations
,
January 2019 in “Journal of dermatological science” Male hormones indirectly affect skin cell development by increasing growth factor levels from skin fibroblasts.
5 citations
,
May 2020 in “Life science alliance” Removing integrin α3β1 from hair stem cells lowers skin tumor growth by affecting CCN2 protein levels.
4 citations
,
November 2022 in “Acta dermato-venereologica” People with hidradenitis suppurativa often have lower vitamin D levels, weaker hip bones, and altered bone metabolism markers.
October 2011 in “Journal of dermatology” A man with a rare skin condition and a new gene mutation developed high calcium levels due to his treatment.
37 citations
,
June 2018 in “Clinical and Experimental Medicine” People with alopecia areata often have lower vitamin D levels and more inflammation, suggesting vitamin D might be involved in the condition.
22 citations
,
January 2002 in “Treatments in endocrinology” Birth control pills help treat skin and hair growth problems linked to high male hormone levels.
1 citations
,
March 2011 in “Informa Healthcare eBooks” Hormonal therapy is effective for treating acne in adult women, especially with signs of high androgen levels.
June 2020 in “Journal of Investigative Dermatology” Hair growth treatment results vary because each patient's platelets release different levels of growth factors.
17 citations
,
December 2010 in “Journal of Investigative Dermatology” Flightless I protein affects hair growth, with low levels delaying it and high levels increasing hair length in rodents.
16 citations
,
April 2012 in “Journal of mammalogy” Young female Australian fur seals are losing hair due to low tyrosine and zinc levels and high pollution exposure.
September 2025 in “Experimental & Molecular Medicine” Small molecules KY19382 and KY19334 may help treat skin cancer by reducing CDK1 levels and blocking harmful cell signals.
11 citations
,
March 2008 in “Experimental Dermatology” A substance called compound-1 could help increase hair growth by maintaining prostaglandin levels in hair follicles.
47 citations
,
August 2000 in “Endocrine Reviews” The document concludes that more research is needed to understand excessive hair growth in women with normal hormone levels and regular ovulation.
22 citations
,
August 2013 in “PLOS ONE” The method safely and efficiently delivers genes to the skin but may not work for conditions needing high levels of gene products.
8 citations
,
February 2005 in “Veterinary dermatology” Chesapeake Bay retrievers' hair loss is likely a breed-specific, hereditary condition linked to abnormal steroid levels and distinct skin changes.
6 citations
,
May 2013 in “PloS one” The Foxn1(-/-) nude mouse shows disrupted and expanded skin stem cell areas due to high Lhx2 levels.
4 citations
,
October 2021 in “Scientific Reports” NKIRAS2 can suppress certain skin tumors but its effect on cancer varies with context and expression level.